package com.heima.user.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.model.user.vos.ApUserVo;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;


@Service
@Transactional
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ApUserServiceImpl.class);

    /**
     * app端登录功能
     */
    @Override
    public ResponseResult<Map<String, Object>> login(LoginDto dto) {
        // 1.正常登录 用户名和密码
        if (StringUtils.isNotBlank(dto.getPhone()) && StringUtils.isNotBlank(dto.getPassword())) {
            // 1.1 根据手机号查询用户信息
            ApUser apUser = lambdaQuery().eq(ApUser::getPhone, dto.getPhone()).one();
            if (apUser == null) {
                log.warn("用户手机号【{}】信息不存在", dto.getPhone());
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户信息不存在");
            }

            // 1.2 比对密码
            String salt = apUser.getSalt();
            String password = dto.getPassword();
            String owd = DigestUtils.md5DigestAsHex((password + salt).getBytes());
            if (!owd.equals(apUser.getPassword())) {
                log.info("用户【{}】密码错误", dto.getPhone());
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }

            // 1.3 返回数据  jwt  user
            String token = AppJwtUtil.getToken(apUser.getId().longValue());
            Map<String, Object> map = new HashMap<>();
            map.put("token", token);

            // 转换vo
            ApUserVo apUserVo = BeanUtil.copyProperties(apUser, ApUserVo.class);
            map.put("user", apUserVo);
            log.info("用户：{}，登录成功", apUserVo.getName());
            return ResponseResult.okResult(map);
        } else {
            // 2.游客登录
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(map);
        }

    }
}
